181 



cuneata, 2*5-6 cm. longa, 1*3.5 cm. lata, coriacea, glabra, e basi 

 5-nervia, nervis utrinque conspicuis, petiolo brevi suffulta. Spicae 

 ad 8*5 cm. longae, rhachi vix 2 mm. diametro. — Craib, Kew Bull. 

 1911, p. 455. 



Chiengmai, Doi Sootep, 420 m.,ii>rr s 1300 — on Pentacme siamensis. 



Santalaceae. 



Henslowia sessilis, Craib, ab H. heterantha, Hook. f. et Th. et 

 ll.fnitcsccnte, Benth., fructu sessili recedit. 



Hamuli glabri, cortice brunneo obtecti, ad 2*5 mm. diametro ; 

 ramorum cortex cinereo-brunneus, irregulariter longitudinaliter fissus. 

 Folia ovato-lanceolata, apice obtusa, basi in petiolum brevem 

 attenuata, 2*5-7*5 cm. longa, 1*3-3*3 cm. lata, coriacea, utrinque 

 glabra, e basi trinervata, pedatim 5-nervata, nervis utrinque 

 conspicuis, nervis transversis plerumque subconspicuis. Flores <£ 

 axillares, fasciculati, petiolis subaequales. Fructus vix maturus, 

 basi bracteolis parvis ciliatis instructus. — Craib, Kew Bull. 1911, 

 p. 455. 



Chiengmai, Doi Sootep, 1050 m., Kerr, 1768. 



Scleropyron Wallichianum, Amott — F.B.I., v. p. 234 ; Coll. et 

 Hemsl., Journ. Linn. Soc, xxviii. p. 121. 



Doi Saket, Ban Sun Pah Suk, in deciduous jungle, Kerr, 1026 ; 

 Chiengmai, Doi Sootep, 330-660 m., Kerr, 1701/1711. 



Distr. S. India, Ceylon, Burma. 



Lao name, Ma Krau Nam (ex Kerr). 



Osyris arborea, WalL — F.B.I., v. p. 232. O. Wightiana, Hosseus, 

 ii. p. 385. 



Doi Chieng Dao, 2160 m., Hosseus, 394. 

 Distr. India, Indo-China, Yunnan. 



EUPHORBIACEAE. 



Euphorbia hypericifolia, Linn. — F.B.I., v. p. 249 * Hosseus, ii. p. 404. 

 Kau Phra Dang, 200-320 m., Hosseus, 153. 

 Widely distributed in the tropics. 



Euphorbia Kerrii, Craib, ab E. sessiliflora, Koxb., ovario longe 

 stipitato recedit. 



Rhizoma perenne, carnosum, ad 9 cm. longum, 4 cm. diametro, 

 Caules solitarii vel raro 3. 16-25 cm. alti, 5 mm. diametro, 

 altius sulcati, glabri. Folia reducta, anguste elliptica, acuta, dorso 

 carinata, 3 mm. longa, vix 2 mm. lata, glabra, petiolo brevi terete 

 suffulta ; stipulae minutae. Cymae sessiles ; bracteae ovato-lanceo- 

 latae, acuminatae, 5 mm. longae, 2*5 mm. latae, involucrum duplo 

 excedentes, dorso medio carinatae, glabrae. Involucrum circiter 

 5 mm. diametro, glabrum, e glandulis 5 et lobis 5 elliptico-obovatis 

 fimbriatis ; glandulae contiguae, transverse oblongae, 1 mm. longae, 

 2 mm. latae, integrae. Ovarium glabrum, acute triangulare, 

 pedicello circiter 8 mm. longo glabro exsertum, recurvum. Stylus 

 0*5 mm. longus ; rami ad 1*5 mm. longi, glabri. Capsula 6 mm. 

 alta, circiter 8 mm. diametro, glabra ; semina subglobosa, ad 3 mm. 

 diametro, albida, minutius arete pustulata. — Craib, Kew Bull, 1911, 

 p. 455. 



